Abstract
A single-frequency diode-pumped -switched Er, Yb:phosphate glass laser that oscillates at an eye-safe wavelength has been developed for use in coherent Doppler lidar. A maximum -switched output energy of 10.9 mJ and a relatively long pulse width of 228 ns were obtained at a repetition rate of 15 Hz by use of a modified 2-m-long telescopic cavity. Frequency stability of as high as standard deviation and a side-mode suppression ratio of more than 30 dB were also achieved.
© 2001 Optical Society of America
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